<div class="navbar navbar-fixed-top">
  <div class="navbar-inner">
    <div class="container-fluid">
      <a class="btn btn-navbar" data-toggle="collapse" data-target=".nav-collapse">
        <span class="icon-bar"></span>
        <span class="icon-bar"></span>
        <span class="icon-bar"></span>
      </a>
      <a class="brand" href="#">QuarkJS - An HTML5 Game Framework</a>
      <div class="nav-collapse">
        <ul class="nav">
          <li><a href="../index.html">首页</a></li>
          <li><a href="http://github.com/quark-dev-team/quarkjs" target="_blank">源码下载</a></li>
          <li class="active"><a href="#">API文档</a></li>
          <li><a href="../tutorial.html">使用指南</a></li>
          <li><a href="../demo.html">作品演示</a></li>
        </ul>
      </div>
    </div>
  </div>
</div>